package itheima.Controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import itheima.common.R;
import itheima.entity.Category;
import itheima.service.CategorySerevice;
import lombok.extern.log4j.Log4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author shkstart
 * @create 2022-09-16-16:42
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategorySerevice categorySerevice;


    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("category{}",category);
        categorySerevice.save(category);
        return R.success("新增分类成功!");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page (int page,int pageSize){

        //分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);

        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);

        //进行分页查询
        categorySerevice.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id删除
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类，id为:{}",id);

//        categorySerevice.removeById(id);
    categorySerevice.remove(id);
        return R.success("分类信息删除成功");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category){

        log.info("修改分类信息 {}",category);

        categorySerevice.updateById(category);

        return R.success("修改信息分类成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){

        //条件查询
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        lambdaQueryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);


        List<Category> list = categorySerevice.list(lambdaQueryWrapper);

        return R.success(list);
    }
}
